CN106316397A - Method of preparing high-strength heat conducting graphite flakes with flow guiding and heat conducting functions - Google Patents
Method of preparing high-strength heat conducting graphite flakes with flow guiding and heat conducting functions Download PDFInfo
- Publication number
- CN106316397A CN106316397A CN201610603399.1A CN201610603399A CN106316397A CN 106316397 A CN106316397 A CN 106316397A CN 201610603399 A CN201610603399 A CN 201610603399A CN 106316397 A CN106316397 A CN 106316397A
- Authority
- CN
- China
- Prior art keywords
- graphite sheet
- conductive graphite
- carbon black
- white carbon
- heat conducting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
- C04B35/522—Graphite
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/005—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile
- B32B9/007—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile comprising carbon, e.g. graphite, composite carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/045—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/202—Conductive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/302—Conductive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention discloses a method of preparing high-strength heat conducting graphite flakes with flow guiding and heat conducting functions. The method includes the steps of raw material preparing, pre-crushing, pre-screening, deironing, secondary crushing, secondary screening, mixing, profiling and heating, graphitizing at high temperature, back film preparing, heat conducting tank pressing and cutting. The machining process is scientific and reasonable in step, the machining process in the prior art is improved, the raw material is processed in a refined mode, the granularity of the graphite flakes is more uniform, the qualification rate of the finished product is increased, and electrical conductivity and heat conductivity of the heat conducting graphite flakes are improved; by means of the process, the chemical stability of the graphite flakes can be improved, thermal expansion is reduced, and the graphite flakes are easy to machine and shape.
Description
Technical field
The present invention relates to the conductive graphite sheet of a kind of electronics field, particularly relate to one and prepare high-strength heat conduction water conservancy diversion
The method of conductive graphite sheet.
Background technology
Conductive graphite sheet is a kind of brand-new heat conduction and heat radiation material, along two square uniform heat conduction, shielding thermal source and assembly
Simultaneously improving the performance of consumption electronic product, color is usually black, and material is that native graphite is through exquisiteness processing, heat conductivity
In the horizontal direction be up to 1500W/M-K, use IC, CPU, MOS, LED, fin, LCD-TV, notebook computer, communication apparatus,
Wireless exchange board, DVD, handheld device etc..
Conductive graphite sheet is because of nonmetallic materials, but has heat conductivity the highest as metal and electric conductivity,
Its heat-conductivity conducting is the most relatively better than aluminium foil or Copper Foil, but the conduction that conductive graphite sheet is produced in existing production technology
Property and heat conductivity more reach optimal, essentially consist in raw material processing stage, place to conductive graphite tablet raw material in prior art
Reason becomes more meticulous not, causes in its raw material containing more impurity component so that the quality of the conductive graphite sheet that final production goes out is not
Enough height, qualification rate reduces, and can affect it preferably to shop property and heat conductivity.
Summary of the invention
For the problem of above-mentioned existence, it is desirable to provide a kind of side preparing high-strength heat conduction water conservancy diversion conductive graphite sheet
Method, this processing technique step is scientific and reasonable, improves the processing technique of prior art, the place becoming more meticulous raw material
Reason so that it is granularity more uniformity, improves the qualification rate of finished product, and then improves the electric conductivity of conductive graphite sheet and lead
Hot, and its chemical stability can also be improved by this technique, reduce its thermal expansivity, and easily machine-shaping.
To achieve these goals, the technical solution adopted in the present invention is as follows:
A kind of method preparing high-strength heat conduction water conservancy diversion conductive graphite sheet, comprises the following steps:
1) raw material: choose the white carbon black raw material as conductive graphite sheet；
2) precomminution: above-mentioned white carbon black is crushed in advance through disintegrating apparatus the medium size of 60-80mm；
3) pre-screening: the white carbon black that above-mentioned warp crushes is sieved by vibrosieve, removes larger particles impurity in anthracite；
4) except ferrum: size-reduced white carbon black is carried out in being placed in trash separator except ferrum operates；
5) separating twice: the cooled white carbon black completed is ground into, through disintegrating apparatus, the little granule that grain diameter is 0.3-0.5mm；
6) regrading: carry out three level screen through the little granule of white carbon black of separating twice respectively through screening plant, filter out size
Consistent granule is out；
7) mixing: little for white carbon black granule and binding agent are carried out kneading, forms compound；
8) die mould and heating: in a mold by compressing for above-mentioned compound, being pressed into square sheet shape, its thickness is at 0.01-
Between 0.02mm, form conductive graphite sheet base substrate, arrange in mould and add hot channel, by adding hot channel, compressing is led
Hot graphite flake base substrate tentatively heats, heating and temperature control between 200-300 DEG C, heat time heating time 30min；
9) high temperature graphitization: carry out pyrographite in the conductive graphite sheet base substrate of above-mentioned heating is fed directly to high temperature graphitization stove
Change operation；
10) notacoria: the conductive graphite sheet after high temperature graphitization is cooled to when 50-60 DEG C heat-resisting two-sided its bottom surface coating one layer
Glue, and adhere to one layer of release paper in conductive graphite sheet bottom surface, when temperature drops to 10-15 DEG C, at the upper surface of conductive graphite sheet
Carrying out notacoria process, adhering to a layer thickness is PET film thick for 0.03-0.05mm；
11) compacting thermal trough: the conductive graphite sheet after gum is placed in mould, and surface suppresses width and the degree of depth is equal thereon
Thermal trough for 1mm；
12) cutting: the conductive graphite sheet base substrate after graphitization forms the conductive graphite sheet of finished product, and cooling down, Jin Ertong
Cross cutting equipment and cut into the size of needs.
As preferably, the trash separator in described step (3) includes trash extraction box, charging aperture, discharging opening and crutcher,
At the charging aperture of described trash extraction box, vertically arranged at least one piece is removed iron plate, and is additionally provided with net at the charging aperture of described trash extraction box
Sieve uniform distributor.
As preferably, arranging rotary open type lid at described charging aperture, described rotary open type lid one end is certainly
By holding, the other end is hingedly connected on the casing of described trash extraction box by jointed shaft.
As preferably, described step (7) three level screen, is respectively through 400 mesh, 200 mesh and 100 mesh by little for white carbon black granule
Mesh screen carries out three level screen.
As preferably, in described step (8), the little granule of white carbon black and binding agent carry out kneading with the ratio of 5:1, wherein bond
Agent is coal tar pitch.
The invention has the beneficial effects as follows: compared with prior art, the present invention thes improvement is that,
One, sets up except ferrum operates, and because containing the impurity such as irony in the raw material of pulverizing, therefore needs by trash separator its inside
Impurity is purged, and so can improve the purity of raw material, so improve the quality of processing, electric conductivity and heat conductivity as well as
Improve, also remove during the irony impurity in raw material is prevented from following process oxidized；
Its two, increase the screening stage, the final uniformity improving raw material is had a very big impact by setting up of screening stage, this
Bright mentality of designing is to be sieved by three grades of screen clothes, thus can be further ensured that the uniformity of raw material degree, improves yield rate；
Its three, the present invention also set up die mould and heating before high temperature graphitization, heated immediately after die mould completes, be into
A transition before row high temperature graphitization, so can improve the efficiency of high temperature graphitization, enters high temperature after reducing again die mould
Gap in graphitizing furnace.
Its four, use the notacoria processing method under keeping warm mode, first, improve the activity of glue molecule, can not only carry
The effect of high gum, and gum efficiency can also be improved, and in order to reach preferable notacoria treatment effect, therefore need temperature
Further reduced, carried out notacoria process when temperature drops to 20-30 DEG C again, it is possible to dropped to by the damage coefficient of PET film
Low, it is achieved preferably notacoria.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of conductive graphite sheet of the present invention.
Wherein: 1-conductive graphite sheet, 2-thermal trough.
Detailed description of the invention
In order to make those of ordinary skill in the art be better understood on technical scheme, below in conjunction with the accompanying drawings and
Technical scheme is further described by embodiment.
A kind of method preparing high-strength heat conduction water conservancy diversion conductive graphite sheet, comprises the following steps:
1) raw material: choose the white carbon black raw material as conductive graphite sheet；
2) precomminution: above-mentioned white carbon black is crushed in advance the medium size of 60-80mm through disintegrating apparatus, because of carbon raw material granularity
Excessive, in calcination process, not only do not ensure the uniform quality after calcining, and affected by calciner, to charging and
Discharge causes difficulty, it is ensured that the follow-up degree of depth that is capable of is calcined；
3) pre-screening: the white carbon black that above-mentioned warp crushes is sieved by vibrosieve, removes larger particles impurity in anthracite；
4) except ferrum: size-reduced white carbon black is carried out in being placed in trash separator except ferrum operates；
Trash separator includes trash extraction box, charging aperture, discharging opening and crutcher, vertically sets at the charging aperture of described trash extraction box
Put at least one piece and remove iron plate, and at the charging aperture of described trash extraction box, be additionally provided with mesh screen uniform distributor, at described charging aperture
Arranging rotary open type lid, described rotary open type lid one end is free end, and the other end is hingedly connected to by jointed shaft
On the casing of described trash extraction box, the mesh of mesh screen uniform distributor is 60 or 80 mesh, so by by former for the graininess of precomminution
Material enters mesh screen uniform distributor and is spread out uniform blanking, and the granule of blanking will spread out, it is simple to is inhaled by impurity and is removing
On iron plate；
Except iron plate is vertically set up in parallel multiple in trash extraction box, each two is removed and is set to blanking channel between iron plate, precomminution
Granule is from throat-fed, by being inhaled by irony impurity except on iron plate except iron plate during blanking, is rotation because of lid again
Turn open-type lid, therefore when reaching certain thickness except ferrum, open lid, periodically clear up except iron plate, in order to avoid impact
Dust removal rate and effect, it is simple, convenient that lid is arranged to rotary open type lid, it is possible to quickly realizes installing except the cleaning of iron plate
Operation.
5) separating twice: the cooled white carbon black completed is ground into, through disintegrating apparatus, little that grain diameter is 0.3-0.5mm
Grain；
6) regrading: carry out three level screen through the little granule of white carbon black of separating twice respectively through screening plant, filter out size
Out, three level screen, is that through 400 mesh, 200 mesh and 100 mesh mesh screens, little for white carbon black granule is carried out three grades respectively to consistent granule
Screening；The final uniformity improving raw material is had a very big impact by setting up of screening stage, and mentality of designing of the present invention is to pass through
Three grades of screen clothes sieve, and thus can be further ensured that the uniformity of raw material degree, improve yield rate；
7) mixing: little for white carbon black granule and binding agent are carried out kneading, forms compound, and the little granule of white carbon black and binding agent are with 5:1's
Ratio carries out kneading, and wherein binding agent is coal tar pitch；
8) die mould and heating: in a mold by compressing for above-mentioned compound, being pressed into square sheet shape, its thickness is at 0.01-
Between 0.02mm, form conductive graphite sheet base substrate, arrange in mould and add hot channel, by adding hot channel, compressing is led
Hot graphite flake base substrate tentatively heats, heating and temperature control between 200-300 DEG C, heat time heating time 30min；The present invention is at height
Also set up die mould and heating before temperature graphitization, heat immediately after die mould completes, be by before high temperature graphitization
Individual transition, so can improve the efficiency of high temperature graphitization, enters the gap in high temperature graphitization stove after reducing again die mould；
9) high temperature graphitization: carry out pyrographite in the conductive graphite sheet base substrate of above-mentioned heating is fed directly to high temperature graphitization stove
Changing operation, the graphitization temperature scope in pyrographite stove is 1100-1200 DEG C, graphitization time 15-20min；
10) notacoria: in needing insulation or heat insulation circuit design at some, in order to preferably realize function optimization,
The surface of conductive graphite sheet needs to carry out notacoria process；The specifically conductive graphite sheet after high temperature graphitization is cooled to 50-60
DEG C time its bottom surface coat one layer of heat-resisting double faced adhesive tape, and conductive graphite sheet bottom surface adhere to one layer of release paper, treat that temperature drops to 10-
When 15 DEG C, the upper surface at conductive graphite sheet carries out notacoria process, and adhering to a layer thickness is PET film thick for 0.03-0.05mm；This
Invention is to carry out notacoria technique when conductive graphite sheet temperature is down to certain limit, it than the advantage of room temperature be enable to heat-resisting
The bioactive molecule of double faced adhesive tape increases, and preferably realizes the bonding of double faced adhesive tape and release paper and conductive graphite sheet, improves notacoria effect
And efficiency, and in order to reach preferable notacoria treatment effect, therefore need further to be reduced temperature, temperature drops to
Notacoria process is carried out again, it is possible to be preferably minimized by the damage coefficient of PET film, it is achieved preferably notacoria when 20-30 DEG C；
11) compacting thermal trough: referring to the drawings 1, the conductive graphite sheet 1 after gum is placed in mould, and surface suppresses thereon
Width and the degree of depth are the thermal trough 2 of 1mm；Thermal trough 2 be arranged on heating while by thermal trough 2, heat is led
Stream, it is achieved the purpose of quick conductive；
12) cutting: the conductive graphite sheet base substrate after graphitization forms the conductive graphite sheet of finished product, and cooling down, Jin Ertong
Cross cutting equipment and cut into the size of needs.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.The technology of the industry
Personnel, it should be appreciated that the present invention is not restricted to the described embodiments, simply illustrating this described in above-described embodiment and description
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these become
Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and
Equivalent defines.
Claims (5)
1. the method preparing high-strength heat conduction water conservancy diversion conductive graphite sheet, it is characterised in that comprise the following steps:
1) raw material: choose the white carbon black raw material as conductive graphite sheet；
2) precomminution: above-mentioned white carbon black is crushed in advance through disintegrating apparatus the medium size of 60-80mm；
3) pre-screening: the white carbon black that above-mentioned warp crushes is sieved by vibrosieve, removes larger particles impurity in anthracite；
4) except ferrum: size-reduced white carbon black is carried out in being placed in trash separator except ferrum operates；
5) separating twice: the cooled white carbon black completed is ground into, through disintegrating apparatus, the little granule that grain diameter is 0.3-0.5mm；
6) regrading: carry out three level screen through the little granule of white carbon black of separating twice respectively through screening plant, filter out size
Consistent granule is out；
7) mixing: little for white carbon black granule and binding agent are carried out kneading, forms compound；
8) die mould and heating: in a mold by compressing for above-mentioned compound, being pressed into square sheet shape, its thickness is at 0.01-
Between 0.02mm, form conductive graphite sheet base substrate, arrange in mould and add hot channel, by adding hot channel, compressing is led
Hot graphite flake base substrate tentatively heats, heating and temperature control between 200-300 DEG C, heat time heating time 30min；
9) high temperature graphitization: carry out pyrographite in the conductive graphite sheet base substrate of above-mentioned heating is fed directly to high temperature graphitization stove
Change operation；
10) notacoria: the conductive graphite sheet after high temperature graphitization is cooled to when 50-60 DEG C heat-resisting two-sided its bottom surface coating one layer
Glue, and adhere to one layer of release paper in conductive graphite sheet bottom surface, when temperature drops to 10-15 DEG C, at the upper surface of conductive graphite sheet
Carrying out notacoria process, adhering to a layer thickness is PET film thick for 0.03-0.05mm；
11) compacting thermal trough: the conductive graphite sheet after gum is placed in mould, and surface suppresses width and the degree of depth is equal thereon
Thermal trough for 1mm；
12) cutting: the conductive graphite sheet base substrate after graphitization forms the conductive graphite sheet of finished product, and cooling down, Jin Ertong
Cross cutting equipment and cut into the size of needs.
A kind of method preparing high-strength heat conduction water conservancy diversion conductive graphite sheet the most according to claim 1, it is characterised in that: described
Trash separator in step (3) includes trash extraction box, charging aperture, discharging opening and crutcher, at the charging aperture of described trash extraction box
Locate vertically arranged at least one piece and remove iron plate, and at the charging aperture of described trash extraction box, be additionally provided with mesh screen uniform distributor.
A kind of method preparing high-strength heat conduction water conservancy diversion conductive graphite sheet the most according to claim 2, it is characterised in that: in institute
Stating and arrange rotary open type lid at charging aperture, described rotary open type lid one end is free end, and the other end passes through jointed shaft
It is hingedly connected on the casing of described trash extraction box.
A kind of method preparing high-strength heat conduction water conservancy diversion conductive graphite sheet the most according to claim 1, it is characterised in that: described
Step (7) three level screen, is that through 400 mesh, 200 mesh and 100 mesh mesh screens, little for white carbon black granule is carried out three level screen respectively.
A kind of method preparing high-strength heat conduction water conservancy diversion conductive graphite sheet the most according to claim 1, it is characterised in that: described
In step (8), the little granule of white carbon black and binding agent carry out kneading with the ratio of 5:1, and wherein binding agent is coal tar pitch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610603399.1A CN106316397B (en) | 2016-07-28 | 2016-07-28 | A method of preparing high-strength thermally conductive water conservancy diversion heat conductive graphite piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610603399.1A CN106316397B (en) | 2016-07-28 | 2016-07-28 | A method of preparing high-strength thermally conductive water conservancy diversion heat conductive graphite piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106316397A true CN106316397A (en) | 2017-01-11 |
| CN106316397B CN106316397B (en) | 2019-05-10 |
Family
ID=57739258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610603399.1A Active CN106316397B (en) | 2016-07-28 | 2016-07-28 | A method of preparing high-strength thermally conductive water conservancy diversion heat conductive graphite piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106316397B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107930830A (en) * | 2017-12-16 | 2018-04-20 | 江西正拓新能源科技股份有限公司 | A kind of artificial plumbago negative pole material production system |
| CN110436940A (en) * | 2019-08-28 | 2019-11-12 | 大同新成新材料股份有限公司 | A kind of preparation method of highly-conductive hot carbon carbon composite |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998001389A1 (en) * | 1996-07-05 | 1998-01-15 | Nippon Pillar Packing Co., Ltd. | Seal stock of inflated graphite and method of manufacturing same |
| CN101993246A (en) * | 2009-08-27 | 2011-03-30 | 李健伟 | Thermal conductive graphite blocks for blast-furnace bottom and hearth |
| CN204031699U (en) * | 2014-07-01 | 2014-12-17 | 斯迪克新型材料（江苏）有限公司 | Use for electronic products graphite heat-conducting fin |
-
2016
- 2016-07-28 CN CN201610603399.1A patent/CN106316397B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998001389A1 (en) * | 1996-07-05 | 1998-01-15 | Nippon Pillar Packing Co., Ltd. | Seal stock of inflated graphite and method of manufacturing same |
| CN101993246A (en) * | 2009-08-27 | 2011-03-30 | 李健伟 | Thermal conductive graphite blocks for blast-furnace bottom and hearth |
| CN204031699U (en) * | 2014-07-01 | 2014-12-17 | 斯迪克新型材料（江苏）有限公司 | Use for electronic products graphite heat-conducting fin |
Non-Patent Citations (2)
| Title |
|---|
| 刘朗等: "一种高导热石墨材料的制备方法", 《山西煤化所科技产出》 * |
| 邱海鹏等: "填料粒度对石墨制品传导性能的影响", 《耐火材料》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107930830A (en) * | 2017-12-16 | 2018-04-20 | 江西正拓新能源科技股份有限公司 | A kind of artificial plumbago negative pole material production system |
| CN107930830B (en) * | 2017-12-16 | 2023-05-02 | 江西正拓新能源科技股份有限公司 | Artificial graphite negative electrode material production system |
| CN110436940A (en) * | 2019-08-28 | 2019-11-12 | 大同新成新材料股份有限公司 | A kind of preparation method of highly-conductive hot carbon carbon composite |
| CN110436940B (en) * | 2019-08-28 | 2022-04-19 | 大同新成新材料股份有限公司 | Preparation method of high-thermal-conductivity carbon-carbon composite material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106316397B (en) | 2019-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205061895U (en) | Magnesium oxide cogeneration system | |
| CN107140984A (en) | The manufacture method of disposal molding graphite crucible | |
| CN106316397A (en) | Method of preparing high-strength heat conducting graphite flakes with flow guiding and heat conducting functions | |
| CN106218189B (en) | The technique that high-termal conductivity conductive graphite piece is prepared based on notacoria processing method | |
| CN106278265A (en) | High heat-conductivity conducting graphite heat-conducting fin fine-processing technique | |
| CN102963889B (en) | Efficiently environment-friendly graphitization furnace cooling technology | |
| CN101708838A (en) | Highly oriented graphite material of nature flake graphite base and preparation method thereof | |
| CN206924845U (en) | It is a kind of new to exchange views formula dry pulverization process system | |
| CN106231862B (en) | The technique that electronic equipment conductive graphite piece is prepared based on carbon black | |
| CN106219529B (en) | The technique that highly conductive thermal diffusivity conductive graphite piece is prepared based on metallurgical coke | |
| CN103923605A (en) | Manufacturing method for silicon carbide ball | |
| CN106273819B (en) | The technique that high-strength conducting conductive graphite piece is prepared based on pitch coke | |
| CN106240039A (en) | The technique preparing thermal diffusivity conductive graphite sheet based on anthracite | |
| CN106218193B (en) | Electronic equipment conductive graphite piece gum fine-processing technique | |
| CN205965747U (en) | High -efficient granulator | |
| CN206304697U (en) | Baking-free ceramicite production comminutor | |
| CN106276871B (en) | The technique that conductive graphite piece is prepared based on pitch coke and petroleum coke co-blended | |
| CN108558403A (en) | A kind of preparation method of the ultra-fine Coke powder of isostatic pressing formed graphite | |
| CN109053010B (en) | Hydrophobic perlite production process | |
| CN106111288B (en) | A kind of hot grinding device of phenolaldehyde moulding compound | |
| CN106311445A (en) | Crushing classification-ore grinding method for bauxite | |
| CN106273820B (en) | Insulated heat conductive graphite piece notacoria fine-processing technique | |
| CN103710068B (en) | The compact formed automatic production line of biomass fuel | |
| CN209013666U (en) | A kind of tekite sand manufacturing and processing equipment | |
| CN201932663U (en) | Activated carbon radiating, vibrating and conveying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200923 Address after: Room 798, building 19, No. 788 Nanqiao South Road, Chuzhou, Anhui Province Patentee after: Anhui Yuanda Qiancheng Information Technology Co.,Ltd. Address before: 241006 Anhui Province, Wuhu City Economic Development Zone East Ouyang Hu Lu No. 28 Patentee before: WUHU MITEC Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230119 Address after: 523000 building 1-2, Kaidi Industrial Park, No. 7, Jinfu 1st Road, Shibu village, Liaobu Town, Dongguan City, Guangdong Province Patentee after: DONGGUAN KAIDI CARBON CO.,LTD. Address before: Room 798, building 19, 788 Nanqiao South Road, Chuzhou City, Anhui Province 239000 Patentee before: Anhui Yuanda Qiancheng Information Technology Co.,Ltd. |